package com.alphaking.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class CharacterEncodingFilter implements Filter {

	private FilterConfig config;

	@Override
	public void destroy() {
		
		this.config = null ;
	}

	@Override
	public void doFilter(ServletRequest arg0, ServletResponse arg1, FilterChain arg2)
			throws IOException, ServletException {
	
		
		HttpServletRequest request = (HttpServletRequest) arg0 ; 
		HttpServletResponse response = (HttpServletResponse) arg1 ;
		
		//设置编码为utf-8
		request.setCharacterEncoding("UTF-8");
		response.setCharacterEncoding("UTF-8");
		response.setContentType("text/html; charset=UTF-8");
		
		arg2.doFilter(arg0, arg1);	

	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {

		this.config = arg0;

	}

}
